Gorm Delete Polymorphic with Select cannot access in BeforeDelete Hook

I have 2 models as below:

type Banner struct {
    Base
    Description string       `json:"description"`
    LinkTo      string       `json:"link_to"`
    Priority    uint         ` json:"priority"`
    Images      []Attachment `gorm:"polymorphic:Attachment;polymorphicValue:BannerImages" json:"images,omitempty"`
    Medias      []Attachment `gorm:"polymorphic:Attachment;polymorphicValue:BannerMedias" json:"medias,omitempty"`
}

type Attachment struct {
    Base
    AttachmentID   uint   `json:"attachment_id"`
    AttachmentType string `json:"attachment"`
    Url            string `json:"url"`
    OriginalUrl    string `json:"original_url,omitempty"`
    OrgUrlV2       string `json:"-"`
}

When I'm trying to delete the Banner with Select, I check the debug log it work as expected. But I can't access any data in BeforeDelete Hook of Attachment Model. Do you have any idea about this?

var banner model.Banner
DB.Preload("Images").Where("id = ?", context.Param("id")).First(&banner)
DB.Debug().Select("Images").Delete(&banner)

UPDATE `attachments` SET `deleted_at`='2023-04-29 20:20:44.812' WHERE `attachments`.`attachment_type` = 'BannerImages' AND `attachments`.`attachment_id` = 17 AND `attachments`.`deleted_at` IS NULL

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